package com.aloda.config;

import com.aloda.interceptor.JwtTokenAdminInterceptor;
import com.aloda.interceptor.JwtTokenUserInterceptor;
import com.aloda.json.JacksonObjectMapper;
import com.aloda.properties.FileUploadProperties;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.*;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@EnableKnife4j
@Slf4j
public class WebConfiguration extends WebMvcConfigurationSupport {
    @Autowired
    private JwtTokenAdminInterceptor jwtTokenAdminInterceptor;
    @Autowired
    private JwtTokenUserInterceptor jwtTokenUserInterceptor;
    @Autowired
    private FileUploadProperties fileUploadProperties;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenAdminInterceptor)
                .addPathPatterns("/admin/**")
                .excludePathPatterns("/admin/emp/login");
        registry.addInterceptor(jwtTokenUserInterceptor)
                .addPathPatterns("/user/**")
                .excludePathPatterns("/user/page/**");
    }

    /**
     * 跨域请求配置
     * @param registry
     */
    public void addCorsMappings(CorsRegistry registry) {
        log.info("开启跨域请求配置...");
        registry.addMapping("/**")
                .allowedOriginPatterns("*")
                .allowedMethods("GET", "POST", "PUT", "DELETE","OPTIONS")
                .allowedHeaders("*")
                .allowCredentials(true);
    }


//    /**
//     * 扩展Spring MVC框架的消息转化器
//     * @param converters
//     */
//    @Override
//    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
//        log.info("扩展消息转换器...");
//        //创建一个消息转换器对象
//        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
//        //需要为消息转换器设置一个对象转换器
//        converter.setObjectMapper(new JacksonObjectMapper());
//        //将自己的消息转换器加入容器中
//        converters.add(0,converter);
//    }
//    /**
//     * 通过knife4j生成接口文档
//     * @return
//     */
//    @Bean
//    public Docket docket1() {
//        log.info("准备生成接口文档...");
//        ApiInfo apiInfo = new ApiInfoBuilder()
//                .title("苍穹外卖项目接口文档")
//                .version("2.0")
//                .description("苍穹外卖项目接口文档")
//                .build();
//        Docket docket = new Docket(DocumentationType.SWAGGER_2)
//                .groupName("管理端接口")
//                .apiInfo(apiInfo)
//                .select()
//                .apis(RequestHandlerSelectors.basePackage("com.aloda.controller"))
//                .paths(PathSelectors.any())
//                .build();
//        return docket;
//    }
//
//    /**
//     * 设置静态资源映射
//     * @param registry
//     */
//    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
//        log.info("开始设置静态资源映射...");
//        registry.addResourceHandler("/**").addResourceLocations(
//                "classpath:/static/");
//        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
//        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
//    }


    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始设置静态资源映射...");
        registry.addResourceHandler("upload/**")
                .addResourceLocations("file:" +fileUploadProperties.getUploadPath()+"/");
    }
}
